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Ampeg V-4B 100-watt Tube Bass Head , $1,899.99 - Add to Cart Skip to Product Information

Ampeg V-4B 100-watt Tube Bass Head

100W Tube Bass Amplifier Head, with 3-band Tone Control, Lo/Hi Boost Switches, Balanced Line Out, and 2-/4-/8-ohm Speaker Outputs
Ampeg V-4B 100-watt Tube Bass Head
Ampeg V-4B 100-watt Tube Bass Head

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Ampeg V-4B 100-watt Tube Bass Head
In Stock!

Only 4 left in stock! More on the way.

Ampeg Knows What Bass Players Need

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Our Product Research Team

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From studio to stage, the Ampeg V-4B tube bass amplifier head has your bass tone covered. You're ready to groove at any gig with 100-watts of power and flexible tone-shaping capabilities. And you'll be able to get huge-sounding bass tones direct to the PA or your recording system thanks to an integrated DI output. The V-4B is the same width as other SVT heads, which means it's a perfect fit for any Classic Series Ampeg speaker cabinet. It's almost effortless to craft hard-hitting bass tone with the Ampeg V-4B tube bass amplifier.

Ampeg V-4B 100W Tube Bass Amplifier Head at a Glance:
  • Powerful tone-shaping onboard
  • Flexible speaker output options
  • Built-in DI output for maximum convenience
Powerful tone-shaping onboard

The Ampeg V-4B sports a 3-band EQ for standard tone shaping, plus ultra-high and ultra-low boost controls for added power and note definition. You've got the control you need to fine-tune your bass guitar's tone for virtually any genre.

Flexible speaker output options

You can create virtually any type of bass rig you like with the V-4B thanks to 2-, 4-, and 8-ohm speaker outputs. The V-4B bass amp is ready to work with whatever speaker cabinets you already use, but it also has the expandability to add on to your rig in the future.

Built-in DI output for maximum convenience

It's hard to beat the simplicity of recording your bass guitar direct, and it's also the best way to supplement your tone on stage (by running direct into the PA). Thankfully, the Ampeg V-4B bass amp has a built-in direct output with ground lift switch, so you don't have to use a separate DI box.

Ampeg V-4B 100W Tube Bass Amplifier Head Features:
  • All-tube bass amplifier head with classic Ampeg style
  • 2-/4-/8-ohm speaker outputs accommodate virtually any speaker configuration
  • Balanced DI output with ground lift makes it easy to record direct or send to PA system
  • 3-band EQ with switchable mid frequency for powerful tone shaping
  • Ultra-low and ultra-high controls add low-end emphasis and high-end definition
Big, bold bass tone is yours with the Ampeg V-4B!

Warranty Info

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Offer applies only to single-receipt qualifying purchases. Select manufacturers may require that only the manufacturer’s products qualify towards the minimum purchase amount needed to be eligible for promotional financing. Otherwise, an invoice that meets the minimum purchase amount and contains at least one qualifying manufacturer product is eligible for promotional financing. No interest will be charged on promo purchase balance, and equal monthly payments are required on promo purchase until it is paid in full. The payments equal the amount financed divided by the number of months in the promo period, rounded up to the next whole dollar. These payments may be higher than the payments that would be required if this purchase was a non-promo purchase. During the last month(s) of the promo period the required monthly payment may be reduced due to the prior months’ rounding. Regular account terms apply to non-promo purchases. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

Offer applies only to single-receipt qualifying purchases. No interest will be charged on the promo balance if you pay it off, in full, within the promo period. If you do not, interest will be charged on the promo balance from the purchase date. The required minimum monthly payments may or may not pay off the promo balance before the end of the promo period, depending on purchase amount, promo length and payment allocation. Regular account terms apply to non-promo purchases and, after promo period ends, to the promo balance. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

The estimated required monthly payment shown which excludes taxes and delivery equals the amount financed divided by the number of months in the promo period, rounded up to the next cent. During the last month(s) of the promo period the required monthly payment may be reduced due to this rounding. These payments apply only with the financing offer shown. If you make these payments by the due date each month, you should pay off this amount financed within the promo period, if it is the only balance you are paying off. If you have other balances on your account, this payment will be added to any other minimum monthly payments.

Applies only to select items from this manufacturer. Ask your Sweetwater Sales Engineer for more details.